*/ class TypeHintDeprecatedInFunctionSignatureRule implements \PHPStan\Rules\Rule { /** @var DeprecatedClassHelper */ private $deprecatedClassHelper; public function __construct(DeprecatedClassHelper $deprecatedClassHelper) { $this->deprecatedClassHelper = $deprecatedClassHelper; } public function getNodeType(): string { return InFunctionNode::class; } public function processNode(Node $node, Scope $scope): array { if (DeprecatedScopeHelper::isScopeDeprecated($scope)) { return []; } $function = $scope->getFunction(); if (!$function instanceof FunctionReflection) { throw new \PHPStan\ShouldNotHappenException(); } $functionSignature = ParametersAcceptorSelector::selectSingle($function->getVariants()); $errors = []; foreach ($functionSignature->getParameters() as $i => $parameter) { $deprecatedClasses = $this->deprecatedClassHelper->filterDeprecatedClasses($parameter->getType()->getReferencedClasses()); foreach ($deprecatedClasses as $deprecatedClass) { $errors[] = sprintf( 'Parameter $%s of function %s() has typehint with deprecated %s %s%s', $parameter->getName(), $function->getName(), $this->deprecatedClassHelper->getClassType($deprecatedClass), $deprecatedClass->getName(), $this->deprecatedClassHelper->getClassDeprecationDescription($deprecatedClass) ); } } $deprecatedClasses = $this->deprecatedClassHelper->filterDeprecatedClasses($functionSignature->getReturnType()->getReferencedClasses()); foreach ($deprecatedClasses as $deprecatedClass) { $errors[] = sprintf( 'Return type of function %s() has typehint with deprecated %s %s%s', $function->getName(), $this->deprecatedClassHelper->getClassType($deprecatedClass), $deprecatedClass->getName(), $this->deprecatedClassHelper->getClassDeprecationDescription($deprecatedClass) ); } return $errors; } }